ASF_20_SRC_AUTO/src/blocks/portal/java/org/apache/cocoon/portal/pluto/om/common/AbstractSupportSet.java

/*
 * Copyright 2004,2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.cocoon.portal.pluto.om.common;

import java.util.HashSet;
import java.util.Iterator;

/**
 * 
 *
 * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
 * 
 * @version CVS $Id: AbstractSupportSet.java,v 1.2 2004/03/05 13:02:15 bdelacretaz Exp $
 */
public abstract class AbstractSupportSet extends HashSet implements java.io.Serializable, Support {

    public AbstractSupportSet()
    {
    }


    // support implemenation.
    public void postLoad(Object parameter) throws Exception
    {
        dispatch(parameter, POST_LOAD);
    }

    public void preBuild(Object parameter) throws Exception
    {
        dispatch(parameter, PRE_BUILD);
    }
    
    public void postBuild(Object parameter) throws Exception
    {
        dispatch(parameter, POST_BUILD);
    }

    public void preStore(Object parameter) throws Exception
    {
        dispatch(parameter, PRE_STORE);
    }

    public void postStore(Object parameter) throws Exception
    {
        dispatch(parameter, POST_STORE);
    }

    // additional methods.
    protected void dispatch(Object parameter, int id) throws Exception
    {
        Iterator iterator = this.iterator();
        while (iterator.hasNext()) {
            Support support = (Support)iterator.next();
            switch (id) {
                case POST_LOAD : support.postLoad(parameter);  break;
                case PRE_BUILD : support.preBuild(parameter);  break;
                case POST_BUILD: support.postBuild(parameter); break;
                case PRE_STORE : support.preStore(parameter);  break;
                case POST_STORE: support.postStore(parameter); break;
            }
        }
    }
}